nitrogen dioxide
Changes in sensory perception are the most sensitive indicators of the presence of nitrogen dioxide.
感觉的改变是二氧化氮存在的最灵敏的标志。
—— 辞典例句The NO 2 concentration in Guangzhou, Beijing and Shanghai was comparatively fairly high.
广州 、 北京、上海等特大城市,二氧化氮浓度相对较高。
—— 给力词典精选Researchers also blamed exposure to nitrogen dioxide, carbon monoxide and particulates for the increase.
研究人员还指责了二氧化氮, 一氧化碳和颗粒物的增加问题。
—— 给力词典精选A portable on - spot measurement of nitrogen dioxide instrument was developed based on photometry.
研制了一种基于光度法现场测定大气二氧化氮的便携式仪器,开发了相应的控制软件。
—— 给力词典精选Second, nitrogen dioxide emissions question.
二是二氧化氮的排放问题。
—— 给力词典精选